zero-hours contract - definition and synonyms

noun [countable] business British 

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/ˌzɪərəʊ aʊə(r)z ˈkɒntrækt/
singularzero-hours contract
pluralzero-hours contracts

or zero-hour contract 

  1. an employment agreement in which a person only works when the employer needs them and so has no regular or guaranteed amount of work or working hours